A cluster randomized trial of delivery of intermittent preventive treatment of malaria in pregnancy at the community level in Malawi oleh Beth L. Rubenstein, Jobiba Chinkhumba, Ethel Chilima, Collins Kwizombe, Ashley Malpass, Shelby Cash, Katherine Wright, Peter Troell, Humphrey Nsona, Fannie Kachale, Doreen Ali, Evans Kaunda, Sosten Lankhulani, Michael Kayange, Don P. Mathanga, John Munthali, Julie R. Gutman